Honda over-the-air update 8A050-T20-AA31
What it saysOver the Air System Updates - 2025 Civic Si: Software Update for Audio System software version 8A050-T20-AA31. NHTSA’s full summary ↓
Honda filed this with NHTSA as an over-the-air update dated Aug 31, 2026, received Sep 2, 2026, about the electrical system — 1 document under this number: AA27867. It names 1 model year (2025). An over-the-air update is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationOver the Air System Updates - 2025 Civic Si: Software Update for Audio System software version 8A050-T20-AA31.
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| AA27867 | Over-the-air update | Aug 31, 2026 | 11036657 | PDF, 168 KB |
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 1 model year this bulletin names have filed 108 complaints with NHTSA since 2015.
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the electrical system
Source: same model, same component group37 other manufacturer communications filed against the Honda Civic under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Honda list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| AATS30566 | Other | Apr 7, 2026 | Tech Line Summary - The vehicle's infotainment system displays previously viewed SMS messages upon each ignition cycle, when the customer's… |
| ATI&03252026907 | Other | Mar 25, 2026 | Dealer Message - American American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings… |
| ATI&03172026902 | Other | Mar 17, 2026 | Dealer Message - American American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2023 Civic LXs, Sports, EXs, EX-Ls or Tourings… |
| A25-070 | Service bulletin | Aug 13, 2025 | Service Bulletin - When the vehicle is put into reverse, the rear camera may display a black and white image. This could occur intermittentl… |
| AA29051 | Other | Aug 4, 2025 | Tech Line - Customers may experience error code S001 with their audio unit. The vehicle may also have DTC B2B05-92 CAN Gateway error stored… |
| ATI&04152025902 | Other | Apr 15, 2025 | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2025 Civics, CR-Vs and Pilots with a customer complaint… |
| ATI&04012025904 | Other | Apr 1, 2025 | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2025 Civics, CR-Vs and Pilots with a customer complaint… |
| ATI&03032025903 | Other | Mar 4, 2025 | Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2023-2025 Civics, CR-Vs and Pilots with a customer complaint… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Honda, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Honda 8A050-T20-AA31 a recall?
No. A over-the-air update is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 8A050-T20-AA31 repair free?
A over-the-air update is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 8A050-T20-AA31 cover?
The manufacturer filed it against 1 model year: 2025 Honda Civic. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.